Here is a simple way to install TWRP Recovery via Fastboot On Any Android Device
Before proceeding first setup →
Adb And Fastboot on your Computer.
#Important
1.Your device bootloader must be unlocked.
2.Enable USB Debugging on your device.
#Step By Step Guide to Install TWRP Recovery via Fastboot On Any Android Device
1.First Download a TWRP recovery.img file compatible for your device.
2. Put the TWRP recovery in the ADB & fastboot folder.
3.Now open a command window inside that folder. To do that, “Shift + Right
click” on any empty white space inside the folder and then select “Open command window here” from the context menu.
4.Now boot your device into the bootloader mode.
Next, connect your device to PC.
(Type below command & press enter)
adb reboot bootloader
5.Once your device boots into bootloader mode, issue the following command into command
fastboot flash recovery twrp-2.8.x.x-xxx.img
6.Once TWRP is successfully flashed on your device, issue the following
command to reboot:
fastboot reboot
Done!!! Now you have TWRP on your device